Description The pole mount is designed for off-grid applications; when mounting to a roof is not ideal. Recommended Tools (Not Provided): Socket Wrench Torque extension Box-Leveler Tape measure 18mm wrench or socket for larger hex nut 13mm wrench or socket for smaller hex nut Notice: This equipment should be installed; adjusted; and serviced by qualified electrical maintenance personnel familiar with the construction and operation of the equipment and the hazards involved. Failure to observe this precaution may result in bodily injury. Protective gloves and safety glasses should be worn during installation. Do not attach solar panel to pole mount until mount is securely fit; and pole base has been secured. Chance to strip nuts and bolts exists. Multiple people for installation is suggested. Please Note: Pole not included. Pole diameter necessary to work with mounts: 4 in. The diameter of the column should not be greater than 100mm. If you have any questions regarding this product,